Select all the correct coordinate pairs and the correct graph

Select the correct zeros and the correct graph of the function below.

f(x) = x^4 - 4x^3 +x^2 +6x

zeros are (0,0), (-1,4), (-3,0), (2,0), (0,-2), (3, 0), (-1, 0), (0, -3)

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

Interpret the following expression (5y^2-7)^3/(2y)^2